Spacer



FIG. 1 is a perspective view of spacer embodying the present design;

FIG. 2 is a front view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side view thereof.

FIG. 5 is a sectional view taken along line 5--5 of FIG. 2; and,

FIG. 6 is an environmental perspective view with the broken line showing of a light emitting diode being for illustrative purposes only and forming no part of the claimed design.

A right side view is a mirror image of the left side view.

A bottom view is a mirror image of the top plan view. 

The ornamental design for spacer, as shown and described. 